Pheidone A
| CAS #: 92-43-3 | ||
| Applications: Black and white developer, non-staining, high contrast photographic developer. | ||
| Synonym: 1-Phenyl-3-Pyrazolidinone; 1-Phenyl-3-pyrazolidone; Graphidone; Phenidone | ||
| Property | Unit: | Specification: |
|---|---|---|
| Assay | % | 98.5 minimum |
| Melting point | °C | 119-122 |
| Solubility test | Pass | |
| Insolubles in chloroform | % | 0.10 maximum |
| Fe | % | 0.001 maximum |
| Heavy metal (Pb) | % | 0.001 maximum |
| Volatile substance (65°C) | % | 0.10 maximum |
| Residue on ignition | % | 0.10 maximum |